A river of width 6 m conveys water at normal depth 2.0 m along a slope of 0.0002 and n = 0.035, upstream of a water fall. The water falls to a depth of 1.9 m. Taking N = 3 steps/ section, determine: ( i) Type of flow profile (ii) Length of gradually-varied flow profile produced based on the method       of numerical integration, and (iii) Profile sketc

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.